The hex color #12258c is a dark color. The web-safe version is Hex
#003399. A complementary color is
#EDDA73. The grayscale version is
#414141. A 20% lighter version of the original color is
#4558BF, and Hex
#000059 is the 20% darker color. If the color is saturated by 10%, you get
#0D2294. If the color is desaturated by 10%, the color
#172885 is obtained.